85-1340-69　Ammonium Sulfate, ACS 2.5Kg　CAS No:7783-20-2　A1450

特徴

• Used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins.
• Molecular Formula:(NH4)2SO4
• Molecular Weight:132.14
• Appearance:White crystalline powder
• Purity:≥99%
• pH (5%):5.0-6.0
• Melting Point:>280°C (dec.) (lit.)
• Density:1.77g/ml at 25°C (lit.)
• Insoluble Matter:≤0.005%
• Residue on Ignition:≤0.005%
• Moisture:≤0.15%
• Chloride:≤0.0003%
• Phosphates:≤0.0003%
• Nitrate:≤0.001%
• Heavy Metals (Pb):≤0.0003%
• Iron:≤0.0005%
• Selenium:≤0.0005%
• Arsenic:≤0.00002%
• Storage and Stability:Store at RT.